| Reading measured value block |
| Note the following if testers and measuring instruments have to be used during a road test: |
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| Test equipment must always be secured on the rear seat and operated from that position by a second person. |
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| If test equipment and measuring instruments are operated from the front passenger's seat and the vehicle is involved in an accident, the person sitting in this seat could be seriously injured when the airbag is triggered. |
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| Electrical equipment switched off (radiator fan must not run during the test). |
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| Air conditioner switched off. |
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| Selector lever in P or N position |
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| Connect up the vehicle diagnosis and service information system -VAS 5052- and select vehicle system “Engine electronics”. When doing this, the ignition must be switched on. |
| Or, depending on desired operation: |
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| Select diagnostic function “Read measured value block”. |
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| Enter the required display group number (3 figures) and confirm entry. |
Note | The choice of display group number depends on which functions and components are to be tested. |
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